Barcelona, Spain. A young man is murdered in the middle of the street in front of the police headquarters. Miguel and Marcial, two agents of the Criminal Brigade in charge of the investigation, find in the victim's room a newspaper where a cryptic classified ad appears.
Love is impossible between Manolo, a flamenco singer, and Lola, a flamenco dancer. She leaves for America to forget him and he gives himself to alcohol. Still, the love between them is so strong that it unites them across the ocean.
A newly remarried widow is accused of having murdered her first husband, who died from arsenical poisoning. Being her present husband a lawyer he takes charge of her defense.
